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C2W497 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4130 OVERALL, head_style: HEXAGON, head_height: 0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.470 INCHES MINIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-291-1116, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
C2W497
NSN: 5306-00-291-1116
FSC: 5306
CAGE: L1877 — DE HAVILLAND AIRCRAFT OF CANADA LIMITED (CAN)
SPECIFICATIONS
materialSTEEL COMP 4130 OVERALL
head_styleHEXAGON
head_height0.328 INCHES MINIMUM AND 0.360 INCHES MAXIMUM IN
thread_class2A A
thread_length0.470 INCHES MINIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length2.245 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
shoulder_length1.775 INCHES MINIMUM AND 1.785 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentCADMIUM OVERALL
NSN5306-00-291-1116
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: C2W497 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 2.245 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
NOMINAL THREAD DIAMETER: 0.500 INCHES IN
•
THREAD LENGTH: 0.470 INCHES MINIMUM IN
•
THREAD CLASS: 2A A
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
THREAD SERIES DESIGNATOR: UNF
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.245 INCHES NOMINAL IN
HEAD STYLEHEXAGON
NOMINAL THREAD DIAMETER0.500 INCHES IN
THREAD LENGTH0.470 INCHES MINIMUM IN
THREAD CLASS2A A
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-6758,COND D4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
THREAD SERIES DESIGNATORUNF
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
SURFACE TREATMENTCADMIUM OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
SCR-485Interchangeable
interchangeable cross-reference
interchangeable
H-247Interchangeable
interchangeable cross-reference
interchangeable
V8048-5/8Interchangeable
interchangeable cross-reference
interchangeable
MS29521-16Interchangeable
interchangeable cross-reference
interchangeable
1111-518111Interchangeable
interchangeable cross-reference
interchangeable
6-1600Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C2W497?
C2W497 is a BOLT,SHOULDER.
What parts can replace C2W497?
There are 13 known substitutes for C2W497: SCR-485, H-247, V8048-5/8 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C2W497?
C2W497 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-291-1116. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026